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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

Category : Key Documents(135)

The (135) files, images and basic information we refer to constantly from the Document Library and Resources pages.

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  • 2025-10-28

    Snow Storage Expansion Phase II by Lagoon 3

    ★
    Aerial map showing the location of Snow Storage Expansion Phase II by Lagoon 3 at an airport facility. The map displays the completed Phase I snow storage area in green and the planned Phase II expansion in blue, with runway infrastructure visible in the background.
    CategoriesKey Documents TagsAirport, Airport Expansion, Airport Layout Plans, Port Of Seattle
  • 2025-10-28

    Port of Seattle Regular Commission Meeting

    ★
    Port of Seattle Commission regular meeting agenda for October 28, 2025, including executive session, public comment procedures, consent agenda items covering construction contracts, lease agreements, and new business items including a revised welcoming port policy directive.
    CategoriesKey Documents, Meetings TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Port Of Seattle
  • 2025-10-22

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport Flight Corridor Management Program

    ★
    Environmental checklist for SEA’s Flight Corridor Management Program, which identifies and removes tree obstructions from airport flight corridors every five years to comply with FAA regulations. The document outlines the program’s background, implementation cycles, and environmental review process.
    CategoriesKey Documents TagsAirport, Airport Expansion, FAA, Port Of Seattle, SEPA
  • 2025-10-22

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport (SEA) Flight Corridor Management Program

    ★
    SEPA Flight Corridor Mgmt Program Checklist November 6, 2025 REV Signed 1 Pdf
    Environmental checklist for the Port of Seattle’s Flight Corridor Management Program at SEA, which involves regular identification and removal of tree obstructions to maintain compliance with FAA flight corridor regulations. The program operates on approximately five-year implementation cycles.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Improvement Program, Airport Layout Plans, Airspace Study, Port Of Seattle
  • 2025-10-03

    UFP-Advisory-Group-Meeting-2025.10

    ★
    Advisory group meeting presentation focused on urban ultrafine particles, likely related to aviation emissions and air quality impacts on airport communities. The meeting appears to be part of ongoing research or policy discussions regarding particulate matter from aircraft operations.
    CategoriesKey Documents, Meetings, Regular Events TagsAir Purifiers, Air Quality Monitors, Airport Communities Coalition, Atmospheric Science, Aviation Emissions
  • 2025-09-12

    Legal Services Agreement Regarding Issues Regarding Port of Seattle’s Sustainable Airport Master Plan (SAMP)

    ★
    Legal engagement letter from Leech Tishman Nelson Hardiman to the City of SeaTac for representation regarding the Port of Seattle’s Sustainable Airport Master Plan FONSI/ROD review and potential petition for review. The agreement outlines a $300,000 budget with $10,000 initial retainer and hourly billing rates.
    CategoriesKey Documents, Litigation TagsAirport, Airport Law, SAMP, seatac
  • 2025-08-12

    Passenger Growth – Port of Seattle Commission Regular Meeting P69

    ★
    A chart showing passenger growth at the Port of Seattle from 2021-2025, displaying actual passenger numbers from 2021-2024 (36.2M to 52.6M), 2025 budget of 53.5M, and forecast of 53.1M. The forecast shows 9% growth compared to 2024 actual but is 0.7% lower than the 2025 budget.
    CategoriesKey Documents, Meetings TagsAirport, Airport Committees, Port Of Seattle
  • 2025-08-12

    Airport Development Fund Balance

    ★
    A chart showing the Airport Development Fund balance with beginning balance of $739,774, forecast ending balance of $830,000, and budget of $829,833. The ending balance forecast of $830M represents the target of 18 months of operations and maintenance for 2025.
    CategoriesKey Documents TagsAirport, Airport Committees, Airport Development Fund, Port Of Seattle
  • 2025-05-20

    Transportation Budget – Engrossed Substitute Senate Bill 5161

    ★
    Section 213 appropriates $16,055,000 for the Commercial Aviation Work Group. Washington State transportation budget bill for the 2025-2027 fiscal biennium, passed by the legislature and signed by Governor Ferguson with partial vetoes. The bill includes appropriations for transportation improvements and is dedicated to the memory of Senator Bill Ramos.
    CategoriesKey Documents, Legislation TagsCommercial Aviation Work Group, Commercial Aviation Workgroup, SB5161, state legislature
  • 2025-02-11

    Port of Seattle Regular Commission Meeting – February 11, 2025

    ★
    Proclamation by the Port of Seattle Commission commemorating February 19th as the Day of Remembrance for Japanese American incarceration during World War II. The document details Executive Order 9066, the forced removal and incarceration of over 120,000 Japanese Americans, including specific references to Bainbridge Island and the Puyallup Assembly Center.
    CategoriesHistory, Key Documents, Meetings TagsAirport Committees, Port Of Seattle

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Upcoming Events

  • Des Moines City Council – SAMP Update
    Add to CalendarMThursday Jun 4: 5:00pm
    21630 11th Ave S,
    Item report 1 pdf

    Purpose and Recommendation To provide the Council with an update on the status of the Sustainable Airport Master Plan (SAMP) environmental review. Background Federal Aviation Administration (FAA) Approval On September 26, 2025, the FAA completed their National Environmental Policy Act review and approved a Final Environmental Assessment and Finding of No Significant Impact/Record of Decision

    [...]
  • SAMP/SEPA Draft EIS Town Hall SeaTac
    Add to CalendarMMonday Jun 22, 6:00pm - 8:00pm
    2450 S 142nd St SeaTac, WA 98168
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Monday, June 22: 6–8pm Glacier Middle School Entrance lobby/commons 2450 S 142nd St SeaTac, WA 98168

    [...]
  • SAMP/SEPA Draft EIS Town Hall Des Moines
    Add to CalendarMTuesday Jun 23, 6:00pm - 8:00pm
    22450 19th Ave S
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Tuesday, June 23: 6–8pm Mount Rainier High School Cafeteria space 22450 19th Ave S Des Moines, WA 98198

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
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